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Finding the Fourth Proportional to 115,584, 173,426.08 and 40,757.59

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Solution

The fourth proportional to 115,584, 173,426.08 and 40,757.59 is: 61,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,584 : 173,426.08 = 40,757.59 : x
  2. Step 2: Convert to fraction form
    115,584/173,426.08 = 40,757.59/x
  3. Step 3: Cross multiply
    115,584x = 173,426.08 × 40,757.59
  4. Step 4: Simplify right side
    115,584x = 7,068,429,063.95
  5. Step 5: Solve for x
    x = 7,068,429,063.95/115,584
  6. Step 6: Final answer
    x = 61,154.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.